Pocket Watch Database
Patent Archive
#3015933
Patent Information
Timepiece Electric Contact Mech
Fred Koehler
January 9, 1962
Patent #3015933
Manufacturer: | Hamilton |
Patent Number: | 3015933 |
Description: | Timepiece Electric Contact Mech |
Inventor(s): | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 9, 1962 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |